I agree for waiting and bugs, but it's not new anymore, as third gen of chips is being developed. It's been around for more than 3 years already. A lot of sources and sink devices with HDMI 2.1 work just fine, such as several TVs, monitors and graphics cards. I cannot complain for direct connections at all.\n\nIt is repeater and transceiver HDMI 2.1 chips in AVR\/AVP that have been a problem because several vendors did not want to wait to test and validate boards properly. They rushed it in a greedy way and paid heavy price in consumer confidence, anger and returns. Lack of validation pathway is the main reason why Trinnov, for example, did not want to rush it and they are still waiting for properly working chips.\n\nMy impression is that pride, arrogance and ignorance played a big part in several botched launches in 2020 and 2021. I hope this never repeats again.\n\nBut HDMI 2.1 is backward-compatible with HDMI 2.0, right?\n\nSo for guys like @Replicant 7 who doesn’t care about HDMI 2.1, he can just pretend that his Yamaha still has HDMI 2.0 for now until they fully implement the HDMI 2.1 firmware, which he isn’t in a hurry for since he doesn’t need it. :D\n\nIsn’t that better than not being able to upgrade to 2.1 with a firmware?